mature_miRNA miRNA* pre-miRNA EST_contig mismatches bulges arm species source_database RFAM_best_hit RFAM_lowest_evalue miRBase_best_hit miRBase_lowest_evalue folding_energy secondary_structure ATCAGCCTCGCTGTCAATACG TATTAACAATGTGGCTGATGA TTCTCCACTTTTTACCCCGTATTAACAATGTGGCTGATGAGGAATCTTATGAACCATCAGCCTCGCTGTCAATACGAGGTAAGGAGTGACAA 3 0 3' arm Strongylocentrotus_purpuratus mirbase 100 sko-mir-2008 0.0000003 -40.6 .....(((((((((((.((((((.(((.((.((((((((.(...((....)).))))))))).)).))).)))))).))))))))))).... (-40.60)